Description

1-Propynylphosphonic Acid Di(2-Propynyl) Ester is a specialized organophosphorus compound featuring multiple reactive alkyne groups. This unique structure makes it a valuable intermediate for synthesizing advanced materials and functional polymers. It is particularly sought after by researchers and manufacturers in the fields of polymer chemistry, surface modification, and specialty adhesives. The compound is supplied with high purity and batch-to-batch consistency to meet rigorous R&D and production requirements.

Application

• As a key monomer or cross-linking agent in the synthesis of advanced acetylene-functionalized polymers and resins.
• Utilized in surface chemistry for creating adhesion-promoting layers on metals, glass, and composites.
• Serves as a reactive intermediate in pharmaceutical and agrochemical research for building complex molecular architectures.
• Employed in the development of flame-retardant additives and modifiers for plastics and textiles.
• Used in material science for the preparation of specialty coatings and sealants with enhanced performance properties.
• Acts as a precursor for ligands and functional molecules in catalysis and coordination chemistry.

Basic Information

Product Name	1-Propynylphosphonic Acid Di(2-Propynyl) Ester
CAS No.	63869-29-4
Molecular Formula	C9H9O3P
Molecular Weight	196.14 g/mol
Synonyms	Di(2-propynyl) 1-propynylphosphonate; Propargyl Phosphonate Ester; Phosphonic acid, P-propynyl-, bis(2-propynyl) ester; 1-Propynylphosphonic Acid Dipropargyl Ester; Bis(prop-2-yn-1-yl) prop-1-yn-1-ylphosphonate; Acetylene-functional Phosphonate
EINECS	Contact for details

Quality Control

Every batch of 1-Propynylphosphonic Acid Di(2-Propynyl) Ester is manufactured and tested under a strict quality management system. We ensure high purity and consistent performance through advanced analytical techniques including NMR, HPLC, and GC. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.